Lollapalooza kicked off last night, but things are getting going in earnest today with the likes of Major Lazer, Miike Snow, and Future hitting the stage tonight. Good news too, you can live stream pretty much everything all weekend long over on Red Bull TV.

If you're a big music buff, you probably have a few concert videos or music documentaries in your DVD collection. Qello has a giant library of these available for streaming, Netflix-style, for a small subscription.

iOS/Android: It can be hard to keep track of all your favorite music artists and their tour dates, especially when you're discovering new music all the time. Songkick scans your music library and Last.fm library and lists upcoming tour dates for your favorite bands in your area.

Watching fellow music fans' videos of live concerts on YouTube is great, but rather than sifting through all the footage, wouldn't it be great to have all the clips arranged for you into one entire show? That's what Veokami does.

ShowHopping uses data from Last.fm to map out upcoming concerts and live shows on Google Maps. Users can search by location and radius, or have the browser give their current location, and the webapp will map out all live shows in the area within a defined set of dates. Band or artist names can also be entered to…

iPhone/iPod touch: Bandsintown, the previously mentioned webapp that offers personalized concert recommendations, is out with an iPhone app that not only shows what's playing nearby with geo-location, but scans your music to recommend like-minded artists.